# enca and iconv(from libc-bin) required.
 files=`find . -name '*' | xargs enca -L zh | grep GB2312 | cut -d: -f1`
   for f in $files; do
     iconv -f GBK -t UTF-8 $f > $f.utf && mv -f $f.utf $f && echo "$f done"
   done
